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ACQUISITION (Narrative) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($)
Business Acquisition [Line Items] |  |  |  |
Revenues | $ 652,243 | $ 588,103 | $ 1,935,985 | $ 1,661,023
2020 Acquisitions |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Number of acquisitions |  |  | 2 |
Purchase price including contingent consideration | 22,526 |  | $ 22,526 |
Contingent consideration fair value | 5,292 |  | 5,292 |
Maximum amount of earnout payable | 18,582 |  | 18,582 |
Intangible assets | 7,280 |  | 7,280 |
Revenues | $ 1,245 |  | $ 3,478 |

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